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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1588 | |
| 1589 | if ( is_category() ) { |
| 1590 | /** |
| 1591 | * Filters the category archive page title. |
| 1592 | * |
| 1593 | * @since 2.0.10 |
| 1594 | * |
| 1595 | * @param string $term_name Category name for archive being displayed. |
| 1596 | */ |
| 1597 | $term_name = apply_filters( 'single_cat_title', $term->name ); |
| 1598 | } elseif ( is_tag() ) { |
| 1599 | /** |
| 1600 | * Filters the tag archive page title. |
| 1601 | * |
| 1602 | * @since 2.3.0 |
| 1603 | * |
| 1604 | * @param string $term_name Tag name for archive being displayed. |
| 1605 | */ |
| 1606 | $term_name = apply_filters( 'single_tag_title', $term->name ); |